Browsing Citations Only by Title

Now showing items 21-40 of 990

    • Acylhydrazones as M1/M3 selective muscarinic agonists 

      Wu, E.; Kover, A.; Loch, J.; Rosenberg, L.; Semus, S.; Verhoest, P.; Gordon, J.; Machulskis, A.; McCreedy, S.; Zongrone, J.; Blosser, J. (Elsevier: Bioorganic and Medicinal Chemistry Letters, 1996-11-05)
      To improve receptor binding affinity and to investigate functional selectivity of 2,8-dimethyl-1-oxa-8- azaspiro[4.5]decan-3-one acetylhydrazone 2 at muscarinic receptor subtypes, a series of acylhydrazones A was synthesized. ...

    • Addition of acetic acid to norbornadiene. Mechanisms of addition reactions 

      Cristol, Stanley; Morrill, Terence; Sanchez, Robert (The American Chemical Society: The Journal of Organic Chemistry, 1966-09-12)
      The addition of acetic acid to norbornadiene (I) has been studied under a large variety of conditions and the extents of both homoconjugate addition and Wagner-Meerwein rearrangements accompanying addition have been ...

    • Adenosine dialdehyde analogs I: regioselective synthesis of adenosine monoaldehydes 

      Neenan, J.; Opitz, S.; Cooke, C.; Morrill, Terence; Eckel, L.; Ussery, M. (Elsevier: Bioorganic and Medicinal Chemistry Letters, 1996-06-18)
      Selective borohydride reduction of adenosine dialdehyde (1) gave the known adenosine 2'-monoaldehyde (2). Reaction of 1 with N,N'-diphenylethylenediamine, followed by reduction and deblocking gave adenosine 3'-monoaldehyde ...

    • Adhesion of copper to poly(tetrafluoroethylene) surfaces modified with vacuum UV radiation from helium arc plasma 

      Zheng, S.; Entenberg, Alan; Takacs, Gerald; Egitto, F.; Matienzo, L. (Springer-Verlag: Journal of Adhesion Science and Technology, 2003-12)
      Poly(tetrafluoroethylene) (PTFE) film surfaces were exposed to vacuum UV (VUV) radiation from He dc arc plasmas that were made to rotate inside a graphite tube by the application of an auxiliary magnetic field. The films ...

    • Adhesion of copper to poly(tetrafluoroethylene-co-hexafluoropropylene) (FEP) surfaces modified by vacuum UV photo-oxidation downstream from Ar microwave plasma 

      Dasilva, W.; Entenberg, Alan; Kahn, B.; Debies, Thomas; Takacs, Gerald (Springer-Verlag: Journal of Adhesion Science and Technology, 2004-12)
      Poly(tetrafluoroethylene-co-hexafluoropropylene) (FEP) surfaces were exposed to vacuum UV (VUV) photo-oxidation downstream from Ar microwave plasma. The modified surfaces showed the following: (1) an improvement in wettability ...

    • Adhesion of copper to teflon surfaces modified by vacuum UV photo-oxidation downstream from Ar microwave plasma 

      Dasilva, W.; Entenberg, Alan; Kahn, B.; Debies, Thomas; Takacs, Gerald (The American Chemical Society: Polymeric Materials Science and Engineering, 2004)
      Fluoropolymers, like Teflon(r) PTFE (polytetrafluoroethylene) and FEP (fluorinated ethylene-propylene co-polymer), have been extensively used in space applications, protective coatings, microelectronics packaging and ...

    • Adhesion of copper to Teflon ® poly(tetrafluoroethylene-co-perfluoropropyl vinyl ether) (PFA) surfaces modified by vacuum UV photo-oxidation downstream from argon microwave plasma 

      Dasilva, W.; Entenberg, Alan; Kahn, B.; Debies, Thomas; Takacs, Gerald (Materials Research Society Proceedings: Materials for Space Applications, 2005)
      Good practical adhesion of sputter-deposited Cu is achieved to poly(tetrafluoroethylene-co-perfluoropropyl vinyl ether) (PFA) surfaces at short treatment times of vacuum UV (VUV) photo-oxidation downstream from Ar ...

    • Adjunct aids in instructional prose: a multimedia study deaf college students 

      Lang, Harry; Dowaliby, Fred (Oxford University Press, 1999)
      : A computer-based science lesson was administered to 144 deaf college students grouped into low, middle, and high reading ability levels. Five instructional conditions were compared: (1) text only, (2) text and content ...

    • Adsorption of a polymeric siloxane surfactant on carbon black particles dispersed in mixtures of water with polar organic solvents 

      Lin, Yining; Smith, Thomas; Alexandridis, Paschalis (Elsevier: Journal of Colloid and Interface Science, 2002-11-01)
      The adsorption of a rake-type polymeric siloxane surfactant (polydimethylsiloxane-graft-polyether copolymer) on carbon black (CB) particles dispersed in mixtures of water with polar organic solvents (ethanol, formamide, ...

    • Adsorption of hydrogen on carbon single-walled nanotubes as measured by the volumetric technique 

      Parilla, Philip; Dillon, Anne; Gennett, Thomas; Alleman, Jeffrey; Jones, Kim; Heben, Michael (Materials Research Society Proceedings: Symposium A: Nanotubes and Related Materials, 2000)
      We report on hydrogen adsorption onto carbon single-walled nanotube (SWNT) material as measured by the volumetric technique. This method determines the amount adsorbed by monitoring the pressure in a known volume at a known ...

    • The Advantages of ectothermy for tetrapods 

      Pough, F. Harvey (University of Chicago Press: American Naturalist, 1980-01)
      The way of life of amphibians and reptiles, in contrast to that of birds and mammals, is based on low energy flow. Many of the morphological and physiological characteristics of ectothermal tetrapods that are normally ...

    • Aggregation effects on the structure and optical properties of a model PPV oligomer 

      Collison, Christopher; Treemaneekarn, Varaporn; Oldham, W.; Hsu, John; Rothberg, Lewis (Elsevier: Synthetic Metals, 2001-03-15)
      We report the effects of solvent-induced aggregation on photoluminescence spectra, decay dynamics and quantum yield in trimers of MEH-PPV and compare these to analogous experiments on the high molecular weight polymer. ...

    • Aggregation quenching of luminescence in electroluminescent conjugated polymers 

      Jakubiak, Rachel; Collison, Christopher; Wan, Wai Chou; Rothberg, Lewis; Hsieh, Bing (The American Chemical Society: Macromolecules, 1999-04-08)
      We report measurements of photoluminescence from films of a soluble phenylenevinylene polymer that has prospective importance as the emissive material in light-emitting diodes. We show unambiguously that there is long-lived ...

    • Air bubble-induced light-scattering effect on image quality in 193 nm immersion lithography 

      Fan, Yongfa; Lafferty, Neal; Bourov, Anatoly; Zavyalova, Lena; Smith, Bruce (Optical Society of America, 2005-07-01)
      As an emerging technique, water immersion lithography, offers the capability of reducing critical dimensions by increasing the numerical aperture that is due to the higher refractive indices of immersion liquids than ...

    • ALFRED: An allele frequency database for anthropology 

      Osier, Michael; Cheung, Kei-Hoi; Kidd, Judith; Pakstis, Andrew; Miller, Perry; Kidd, Kenneth (Wiley: American Journal of Physical Anthropology, 2002-09)
      The deluge of data from the human genome project (HGP) presents new opportunities for molecular anthropologists to study human variation through the promise of vast numbers of new polymorphisms (e.g., single nucleotide ...

    • ALFRED: the ALelle FREquency Database. Update 

      Rajeevan, H.; Osier, Michael; Cheung, Kei-Hoi; Deng, H.; Druskin, L.; Heinzen, R.; Kidd, J.; Stein, S.; Pakstis, Andrew; Tosches, N.; Yeh, C.; Miller, Perry; Kidd, K. (Oxford University Press: Nucleic Acids Research, 2003-01-01)
      Elaboration of ALFRED (http://alfred.med.yale.edu) is being continued in two directions. One of which is developing tools for efficiently annotating the entries and checking the integrity of the data already in the database ...

    • Algorithmic regularization with velocity-dependent forces 

      Merritt, David; Mikkola, Seppo (Blackwell Publishing: Monthly Notices of the Royal Astronomical Society, 2006-05)
      Algorithmic regularization uses a transformation of the equations of motion such that the leapfrog algorithm produces exact trajectories for two-body motion as well as regular results in numerical integration of the ...

    • All-optical double-sideband suppressed-carrier modulation of semiconductor lasers 

      Varangis, Petros; Gavrielides, Athanasios; Kovanis, Vassilios; Erneux, Thomas; Lester, Luke (American Institute of Physics, 1998-06-15)
      We demonstrate theoretically and verify experimentally that injection locking may be used to achieve double-sideband suppressed-carrier modulation of semiconductor lasers. Our theoretical investigation explains the suppression ...

    • Allelic variation at alcohol metabolism genes (ADH1B, ADH1C, ALDH2) and alcohol dependence in an American Indian population 

      Mulligan, Connie; Robin, Robert; Osier, Michael; Sambuughin, Nyamkhishig; Goldfarb, Lev; Kittles, Rick; Hesselbrock, Diane; Goldman, David; Long, Jeffrey (Springer: Human Genetics, 2003-09)
      Enzymes encoded by two gene families, alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH), mediate alcohol metabolism in humans. Allelic variants have been identified that alter metabolic rates and influence risk ...

    • Ambient-stable blue luminescent silicon nanocrystals prepared by nanosecond-pulsed laser ablation in water 

      Švrček, Vladimir; Mariotti, Davide; Kondo, Michio (2008 Optical Society of America, 2009-01-07)
      Even with intensive research, air-stable blue light emission from silicon nanocrystals (Si-ncs) at room temperature still remains a challenge. We show that stable and blue-luminescent Si-ncs can be produced by ...